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Title: Mean residual life of lifetime distributions
Authors: Tang, L.C. 
Lu, Y. 
Chew, E.P. 
Issue Date: 1999
Citation: Tang, L.C., Lu, Y., Chew, E.P. (1999). Mean residual life of lifetime distributions. IEEE Transactions on Reliability 48 (1) : 73-78. ScholarBank@NUS Repository.
Abstract: This paper characterizes the general behaviors of the MRL (mean residual lives) for both continuous & discrete lifetime distributions, with respect to their failure rates. For the continuous lifetime distribution with failure rates with only one or two change-points, the characteristic of the MRL depends only on its mean and failure rate at time zero. For failure rates with `roller coaster' behavior, the subsequent behavior of the MRL depends on its MRL and failure-rates at the change points. Using the characterization, their behaviors for the, Weibull, lognormal, Birnbaum-Saunders, inverse Gaussian, bathtub-failure-rate, distributions are tabulated in terms of their shape parameters. For discrete lifetime distributions, for upside-down bathtub-failure-rate with only one change point, the characteristic of the MRL depends only on its mean and the probability mass function at time zero.
Source Title: IEEE Transactions on Reliability
ISSN: 00189529
DOI: 10.1109/24.765930
Appears in Collections:Staff Publications

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